How To Fix WSTI_CALC018 - Internal error: Required parameters not specified

SAP Error Message - Details

• Message type: E = Error

• Message class: WSTI_CALC - Physical Inventory Messages: Book Inv. Calc. at Count Time

• Message number: 018

• Message text: Internal error: Required parameters not specified

What causes this issue?

Some required parameters were not specified when a function module was
accessed.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

This is an internal error that you will not be able to correct yourself.
Notify your system administrator. Some of the data may not have been
processed.

Procedure for System Administrators

This message is displayed by function modules
WSTI_STOCK_CALCULATE_SERIAL, WSTI_STOCK_SIMULATE, and
WSTI_STOCK_DATA_QUERY.

Error message extract from SAP system. Copyright SAP SE.